Door lock for remote intelligent door opening of FSU
By adopting elastic support components and telescopic rod structure in the smart door lock, the problem of the smart door lock being difficult to open after the mechanical key is broken is solved, and the key is automatically slipped out and replaced, improving the convenience and reliability of the door lock.
Patent Information
- Application Number
- CN202422190139.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-09-06
AI Technical Summary
After the existing smart door locks lose their intelligent operation function, they can only be opened by mechanical keys, but the mechanical keys are used less often and are prone to aging. The aging keys are prone to breaking and stuck in the key hole, making it more difficult to open.
A door lock for remote intelligent door opening of FSU is designed, adopting an elastic support assembly and a telescopic rod structure. After the mechanical key is inserted, the top plate slides under the thrust of the elastic support assembly to achieve unlocking or locking. When the key breaks, the key hole can be slided out under the thrust of the top plate and the elastic support assembly.
It realizes that the smart door lock can still slide out of the key hole in time after the mechanical key is broken, making it convenient to replace the key and open the door lock, avoiding the problem of lag and difficulty in opening the key caused by aging.
Smart Images

Figure CN222962642U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of locks, and in particular to a door lock for FSU remote intelligent door opening. Background Art
[0002] FSU (Field Supervisory Unit) remote intelligent door opening technology is an important technology in modern intelligent door lock systems. It combines advanced technologies in multiple fields such as the Internet of Things, remote communication, automatic control and security verification.
[0003] At present, most of the existing smart door locks must be powered by an external power supply, or have a built-in rechargeable battery, or use a mobile terminal device to obtain sufficient energy through induction to drive the internal control circuit to work to achieve a series of smart operations; if the external power supply is cut off, or the built-in battery is damaged or the battery is exhausted, or the external sensing function of the mobile terminal device fails (such as low temperature environment, internal faults, etc.) and other uncontrollable factors, the smart door lock will not be able to obtain the working voltage normally and lose its working ability.
[0004] After the smart door lock loses its smart operation function, it can only be opened by a mechanical key. However, the mechanical key of the smart door lock is used less frequently and is prone to aging due to improper storage. The aged mechanical key is easily broken and stuck in the keyhole after being inserted into the keyhole and turned hard. It is also difficult to remove the broken mechanical key, making the smart door lock more difficult to open. Utility Model Content
[0005] In view of this, the purpose of the utility model is to provide a door lock with remote intelligent door opening for FSU, so as to solve the problem that after the intelligent door lock loses the intelligent operation function in the prior art, the intelligent door lock can only be opened by a mechanical key. However, the mechanical key of the intelligent door lock is used less frequently and is easily aged due to improper storage. The aged mechanical key is easily broken and stuck in the keyhole after being inserted into the keyhole and turned hard. Moreover, it is difficult to clamp the broken mechanical key, making the intelligent door lock more difficult to open.
[0006] The utility model is realized by the following technical solutions:
[0007] A door lock for FSU remote intelligent door opening, comprising a lock body installed on the door, a straight lock tongue being slidably connected to the side wall of the lock body, and a lock core being vertically staggered with the straight lock tongue being penetrated, and the lock core being transmission-connected with the straight lock tongue; a core column being rotationally connected in the lock core, an end of the core column located in the room being fixedly connected with an end cover, a key hole being opened in the core column, a top plate being arranged in the key hole, and the top plate being adapted to the key hole;
[0008] An elastic support assembly is connected between the top plate and the end cover, and the top plate can slide in the keyhole under the thrust of the elastic support assembly.
[0009] Further, the elastic support assembly includes a plurality of springs, and both ends of the plurality of springs abut against the side walls of the top plate and the end cover respectively.
[0010] Further, a telescopic rod equal in number to the springs is arranged between the top plate and the end cover, and both ends of the plurality of telescopic rods are fixedly connected to the side walls of the top plate and the end cover respectively, and the plurality of springs are respectively sleeved on the plurality of telescopic rods.
[0011] Further, a twisting knob is arranged on the end cover, and the twisting knob is fixedly connected to the end cover.
[0012] Further, an anti-lock bolt is slidably connected to the side wall of the lock body, and a lock ruler perpendicular and staggered with the anti-lock bolt is penetrated, the lock ruler is in transmission connection with the anti-lock bolt, and an anti-lock knob is clamped at one end of the lock ruler located inside the house.
[0013] Further, an oblique lock bolt is slidably connected to the side wall of the lock body, and a square core perpendicular and staggered with the oblique lock bolt is penetrated, the square core is in transmission connection with the oblique lock bolt, and handles are clamped at both ends of the square core.
[0014] Further, a groove is formed in the lock core, a toothed ring is arranged in the groove, the toothed ring is fixedly connected to the side wall of the core column, a gear is meshed with one side of the toothed ring, and a driving assembly is fixedly connected to the lock body, and the driving assembly can drive the gear to rotate.
[0015] Further, the driving assembly includes a servo motor, and an output shaft of the servo motor is fixedly connected to the gear.
[0016] Further, an NFC antenna unit and a lithium battery are installed on the lock body, and the NFC antenna unit is electrically connected to the lithium battery.
[0017] Further, a charging interface is installed on the lock body, and the charging interface is electrically connected to the lithium battery.
[0018] The beneficial effects of the utility model are as follows:
[0019] Regarding the door lock for FSU remote intelligent door opening, when the intelligent door lock loses its intelligent operation function, insert the mechanical key into the keyhole with force by hand. Under the thrust of the mechanical key, the top plate slides towards the end cover. When the mechanical key fully enters the keyhole, rotate the mechanical key to drive the core column to rotate. During the rotation of the core column, the straight lock tongue is driven to extend and retract, realizing the unlocking or locking of the door lock for FSU remote intelligent door opening. When the hand releases the mechanical key, without the thrust of the operator, the top plate moves away from the end cover under the thrust of the elastic support component, and the mechanical key slides out of the keyhole under the thrust of the top plate. Compared with the prior art, when the mechanical key breaks, the broken mechanical key can slide out of the keyhole under the thrust of the top plate and the elastic support component, enabling timely replacement of the mechanical key to open the intelligent door lock.
[0020] Other advantages, objectives, and features of the present utility model will be elaborated to some extent in the subsequent description, and to some extent, will be obvious to those skilled in the art based on the study of the following text, or can be taught from the practice of the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained through the following description. Brief Description of the Drawings
[0021] Figure 1 is a perspective view of the present utility model (first perspective);
[0022] Figure 2 is a perspective view of the present utility model (second perspective);
[0023] Figure 3 is a schematic diagram of a partial structure of the present utility model;
[0024] Figure 4 is a schematic diagram of a partial structure of the present utility model.
[0025] In the figure:
[0026] 1, lock body; 2, straight lock tongue; 3, lock core; 4, core column; 5, end cover; 6, keyhole; 7, top plate; 8, spring; 9, telescopic rod; 10, twisting knob; 11, anti-lock lock tongue; 12, lock scale; 13, anti-lock knob; 14, oblique lock tongue; 15, square core; 16, handle; 17, groove; 18, gear ring; 19, gear; 20, servo motor; 21, NFC antenna unit; 22, lithium battery; 23, charging interface. Detailed Embodiments
[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0030] In the above description of the utility model, it should be noted that the terms "one side", "the other side", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0031] In addition, the term "same" does not mean that the parts must be absolutely the same, but slight differences are allowed. The term "vertical" only means that the positional relationship between the parts is more vertical than "parallel", and does not mean that the structure must be completely vertical, but can be slightly tilted.
[0032] See also Figures 1-4 The utility model provides a technical solution: a door lock for FSU remote intelligent door opening, comprising a lock body 1 installed on the door, a straight lock tongue 2 is slidably connected to the side wall of the lock body 1, and a lock core 3 vertically staggered with the straight lock tongue 2 is penetrated, and the lock core 3 is transmission-connected with the straight lock tongue 2; a core column 4 is rotatably connected in the lock core 3, and an end cover 5 is fixedly connected to one end of the core column 4 located in the room, a key hole 6 is opened in the core column 4, and a top plate 7 is arranged in the key hole 6, and the top plate 7 is adapted to the key hole 6;
[0033] An elastic support assembly is connected between the top plate 7 and the end cap 5, and the top plate 7 can slide in the keyhole 6 under the thrust of the elastic support assembly.
[0034] In this solution: Manually insert the mechanical key into the keyhole 6 with force. The top plate 7 slides towards the end cap 5 under the thrust of the mechanical key. After the mechanical key fully enters the keyhole 6, rotate the mechanical key to drive the core column 4 to rotate. During the rotation of the core column 4, the straight lock tongue 2 is driven to stretch and retract, realizing the unlocking or locking of the door lock for FSU remote intelligent door opening. When the hand releases the mechanical key, the mechanical key is not under the thrust of the operator. The top plate 7 moves away from the end cap 5 under the thrust of the elastic support assembly, and the mechanical key slides out of the keyhole 6 under the thrust of the top plate 7. Compared with the prior art, when the mechanical key breaks, the broken mechanical key can slide out of the keyhole 6 under the thrust of the top plate 7 and the elastic support assembly, enabling timely replacement of the mechanical key to open the intelligent door lock.
[0035] In this embodiment: The elastic support assembly includes a plurality of springs 8, and both ends of the plurality of springs 8 are respectively abutted against the side walls of the top plate 7 and the end cap 5.
[0036] In this solution: Both ends of the plurality of springs 8 are respectively abutted against the side walls of the top plate 7 and the end cap 5. When the mechanical key is under the thrust of the hand, the top plate 7 approaches the end cap 5 under the thrust of the mechanical key, and the plurality of springs 8 are gradually in a compressed state; when the mechanical key is not under the thrust of the hand, the plurality of springs 8 gradually return to the natural stretched state, the top plate 7 moves away from the end cap 5 under the thrust of the plurality of springs 8, and the mechanical key slides out of the keyhole 6 under the thrust of the top plate 7.
[0037] In this embodiment: A plurality of telescopic rods 9 equal in number to the springs 8 are provided between the top plate 7 and the end cap 5. Both ends of the plurality of telescopic rods 9 are fixedly connected to the side walls of the top plate 7 and the end cap 5 respectively, and the plurality of springs 8 are respectively sleeved on the plurality of telescopic rods 9.
[0038] In this solution: By providing a plurality of telescopic rods 9 equal in number to the springs 8 between the top plate 7 and the end cap 5, both ends of the plurality of telescopic rods 9 are fixedly connected to the side walls of the top plate 7 and the end cap 5 respectively, and the plurality of springs 8 are respectively sleeved on the plurality of telescopic rods 9. The plurality of telescopic rods 9 provide a guiding function for the sliding direction of the top plate 7 and the springs 8.
[0039] In this embodiment: A twisting knob 10 is provided on the end cap 5, and the twisting knob 10 is fixedly connected to the end cap 5.
[0040] In this solution: By fixedly connecting the twisting knob 10 to the end cap 5. After entering the room, rotate the twisting knob 10 to drive the core column 4 to rotate. During the rotation of the core column 4, the straight lock tongue 2 is driven to stretch and retract, facilitating the unlocking or locking of the intelligent door lock.
[0041] In this embodiment: A reverse lock tongue 11 is slidably connected to the side wall of the lock body 1, and a lock scale 12 that is vertically staggered with the reverse lock tongue 11 is penetrated. The lock scale 12 is in transmission connection with the reverse lock tongue 11, and a reverse lock knob 13 is clamped at one end of the lock scale 12 located inside the house.
[0042] In this solution: By slidably connecting the reverse lock tongue 11 to the side wall of the lock body 1 and penetrating the lock scale 12 that is vertically staggered with the reverse lock tongue 11, the lock scale 12 is in transmission connection with the reverse lock tongue 11, and a reverse lock knob 13 is clamped at one end of the lock scale 12 located inside the house. Rotating the reverse lock knob 13 drives the lock scale 12 to rotate, and the lock scale 12 drives the reverse lock tongue 11 to extend and retract during rotation, facilitating the unlocking or locking of the intelligent door lock. At this time, it can only be opened from inside the house, protecting the life and property safety of people inside the house.
[0043] In this embodiment: A diagonal lock tongue 14 is slidably connected to the side wall of the lock body 1, and a square core 15 that is vertically staggered with the diagonal lock tongue 14 is penetrated. The square core 15 is in transmission connection with the diagonal lock tongue 14, and handles 16 are clamped at both ends of the square core 15.
[0044] In this solution: By slidably connecting the diagonal lock tongue 14 to the side wall of the lock body 1 and penetrating the square core 15 that is vertically staggered with the diagonal lock tongue 14, the square core 15 is in transmission connection with the diagonal lock tongue 14, and handles 16 are clamped at both ends of the square core 15. Rotating the handle 16 drives the square core 15 to rotate, and the square core 15 drives the diagonal lock tongue 14 to extend and retract during rotation, facilitating the unlocking or locking of the intelligent door lock.
[0045] In this embodiment: A groove 17 is formed on the lock core 3, a gear ring 18 is arranged in the groove 17, the gear ring 18 is fixedly connected to the side wall of the core column 4, a gear 19 meshes with one side of the gear ring 18, and a driving component is fixedly connected to the lock body 1, and the driving component can drive the gear 19 to rotate.
[0046] In this solution: The driving component drives the gear 19 to rotate, the gear 19 drives the gear ring 18 fixedly connected to the side wall of the core column 4 to rotate, the gear ring 18 drives the core column 4 to rotate, and the core column 4 drives the straight lock tongue 2 to extend and retract during rotation, realizing the unlocking or locking of the intelligent door lock.
[0047] In this embodiment: The driving component includes a servo motor 20, and the output shaft of the servo motor 20 is fixedly connected to the gear 19. An NFC antenna unit 21 and a lithium battery 22 are installed on the lock body 1, and the NFC antenna unit 21 is electrically connected to the lithium battery 22.
[0048] In this embodiment: The driving component includes a servo motor 20, and the output shaft of the servo motor 20 is fixedly connected to a gear 19. An NFC antenna unit 21 and a lithium battery 22 are installed on the lock body 1, and the NFC antenna unit 21 is electrically connected to the lithium battery 22. A charging interface 23 is installed on the lock body 1, and the charging interface 23 is electrically connected to the lithium battery 22.
[0049] In this solution: The servo motor 20 can be a servo motor with the model M10-08170-21. It also includes a terminal, an FSU host, a micro-control module, an NFC micro-control integration unit, and a CPU module. The micro-control module is electrically connected to the FSU host and the CPU module respectively. The FSU host is electrically connected to the terminal. The NFC micro-control integration unit is electrically connected to the CPU module and the NFC antenna unit 21 respectively. The CPU module is electrically connected to the servo motor 20, and the lithium battery 22 is electrically connected to the CPU module.
[0050] The terminal is used to send remote instruction information to the FSU host. The instruction information controls the FSU host to complete corresponding operations, including communication devices such as mobile phones.
[0051] The FSU host is used to receive the instruction information from the terminal and feedback corresponding status information to the terminal.
[0052] The micro-control module is used to receive the electrical signal from the FSU host side and send detection information to the CPU module.
[0053] The NFC antenna unit 21 is used to receive external electromagnetic signals and transmit the electromagnetic signals to the NFC micro-control integration unit;
[0054] The NFC micro-control integration unit performs energy conversion and signal processing after receiving the electromagnetic signal from the antenna, and transmits the processed signal and energy to the CPU module.
[0055] The CPU module is used to receive the detection information from the micro-control module and the signal sent by the NFC micro-control integration unit, send control information to control the servo motor 20 to unlock, and send instruction information to control the NFC micro-control integration unit.
[0056] The lithium battery 22 is used to provide a voltage to the servo motor 20 to complete unlocking. The CPU module judges whether the voltage value of the lithium battery 22 reaches the unlocking voltage value. If it reaches, voltage conversion is not performed during NFC data transmission.
[0057] The charging interface 23 is used to charge the lithium battery 22 with a power bank or other power devices outdoors through the charging interface 23 when the power of the lithium battery 22 is exhausted.
[0058] All electrical components in this embodiment are of the prior art and can be purchased through online or offline channels. The specific parameters and models of the electrical components will not be elaborated herein.
[0059] During use, the terminal sends an unlocking command message to the FSU host. The FSU host generates and sends a voltage signal to the micro-control module. After detecting the voltage signal, the micro-control module inputs it to the CPU module. The CPU module sends an unlocking control signal to the servo motor 20. The output shaft of the servo motor 20 rotates and drives the gear 19 to rotate. The gear 19 drives the gear ring 18 fixedly connected to the side wall of the core column 4 to rotate. The rotation of the gear ring 18 drives the core column 4 to rotate. During the rotation of the core column 4, the straight lock tongue 2 is driven to contract, completing the unlocking.
[0060] It is also possible to bring the mobile terminal close to the NFC antenna unit 21 to transmit data to the NFC micro-control integration unit. After processing the transmitted data, the NFC micro-control integration unit conveys it to the CPU module. After performing identity authentication, the CPU module sends a feedback signal to the NFC micro-control integration unit. The NFC micro-control integration unit starts to receive the electromagnetic signal of the mobile terminal and converts the electromagnetic signal into voltage and conveys it to the CPU module. The CPU sends the voltage and the control signal to the servo motor 20 to complete the unlocking.
[0061] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.
Claims
1. A door lock for FSU remote intelligent door opening, comprising a lock body (1) mounted on a door, characterized in that: A straight lock tongue (2) is slidably connected to the side wall of the lock body (1), and a lock core (3) is provided which is vertically staggered with the straight lock tongue (2), and the lock core (3) is drivingly connected to the straight lock tongue (2); a core column (4) is rotatably connected inside the lock core (3), and an end cover (5) is fixedly connected to one end of the core column (4) located inside the house, and a key hole (6) is provided inside the core column (4), and a top plate (7) is provided inside the key hole (6), and the top plate (7) is adapted to the key hole (6); An elastic support component is connected between the top plate (7) and the end cover (5), and the top plate (7) can slide in the keyhole (6) under the thrust of the elastic support component.
2. The door lock for FSU remote intelligent door opening according to claim 1 is characterized by: The elastic support assembly comprises a plurality of springs (8), and the two ends of the plurality of springs (8) respectively abut against the side walls of the top plate (7) and the end cover (5).
3. The door lock for FSU remote intelligent door opening according to claim 2 is characterized in that: Telescopic rods (9) having the same number as the springs (8) are arranged between the top plate (7) and the end cover (5); two ends of the plurality of telescopic rods (9) are respectively fixedly connected to the side walls of the top plate (7) and the end cover (5); and the plurality of springs (8) are respectively sleeved on the plurality of telescopic rods (9).
4. The door lock for FSU remote intelligent door opening according to claim 1 is characterized in that: A twist knob (10) is provided on the end cover (5), and the twist knob (10) is fixedly connected to the end cover (5).
5. The door lock for FSU remote intelligent door opening according to claim 1 is characterized in that: A reverse locking tongue (11) is slidably connected to the side wall of the lock body (1), and a locking ruler (12) vertically intersecting the reverse locking tongue (11) is penetrated, the locking ruler (12) is drivingly connected to the reverse locking tongue (11), and a reverse locking knob (13) is clamped on one end of the locking ruler (12) located inside the house.
6. The door lock for FSU remote intelligent door opening according to claim 1, characterized in that: An oblique lock tongue (14) is slidably connected to the side wall of the lock body (1), and a square core (15) vertically intersecting the oblique lock tongue (14) is penetrated therethrough. The square core (15) is transmission-connected to the oblique lock tongue (14), and handles (16) are clamped at both ends of the square core (15).
7. The door lock for FSU remote intelligent door opening according to claim 1 is characterized in that: The lock core (3) is provided with a groove (17), a gear ring (18) is arranged in the groove (17), the gear ring (18) is fixedly connected to the side wall of the stem (4), a gear (19) is meshed on one side of the gear ring (18), and a drive assembly is fixedly connected to the lock body (1), and the drive assembly can drive the gear (19) to rotate.
8. The door lock for FSU remote intelligent door opening according to claim 7, characterized in that: The driving assembly comprises a servo motor (20), and an output shaft of the servo motor (20) is fixedly connected to a gear (19).
9. The door lock for FSU remote intelligent door opening according to claim 8, characterized in that: An NFC antenna unit (21) and a lithium battery (22) are installed on the lock body (1); the NFC antenna unit (21) is electrically connected to the lithium battery (22).
10. The door lock for FSU remote intelligent door opening according to claim 9, characterized in that: A charging interface (23) is installed on the lock body (1), and the charging interface (23) is electrically connected to the lithium battery (22).